Function pear::parsers::take_some_while_until

pub fn take_some_while_until<I, T, F>(
    input: &mut Pear<I>, 
    cond: F, 
    until: T
) -> Result<I::Many, I> where
    I: Input,
    T: Token<I>,
    F: FnMut(&I::Token) -> bool, 

Consumes tokens while cond matches and the token is not until. Succeeds only if at least one token matched cond.